Senior Mainframe Infrastructure Architect

Citi; Irving (TX); On-site; USD 96,000 - 145,000; Full time

Job summary

Citi’s Enterprise Command Centre in Irving, TX is seeking a Senior Infrastructure Analyst to support its large mainframe environment. You will work on advanced support, service ownership, and drive improvements across global operations.

The role emphasizes problem management, RCA, automation of repetitive tasks, and collaboration with regional and global teams. A bachelor’s degree is required and 5-8 years of infra delivery experience are expected.

Qualifications

• 5-8 years of experience in Infrastructure Technologies delivery with a proven track record of operational process change and improvement.
• Good time management skills with high sense of urgency and dedication.
• Clear personal work ethic that inspires quality and enthusiasm.
• Ability and willingness to operate within tightly controlled operational procedures.
• 3+ years’ experience across IBM Z platform architecture.
• Ability to communicate technical concepts to non-technical audience.
• Ability to work with virtual and in-person teams, and work under pressure or to a deadline.
• Experience in a Financial Services or large complex and/or global environment preferred.
• Effective written and verbal communication skills
• Effective analytic/diagnostic skills

Responsibilities

• Provide support to mainframe service and resolve day-to-day operational challenges.
• Drive continual improvement and problem management activities.
• Engage with multiple functions to ensure performance of processes in a large IT environment.
• Develop skills in communication through collaboration with global teams.
• Act as SME to stakeholders and drive risk-aware decisions.

Skills

Infrastructure delivery

IBM Z expertise

Communication skills

Team collaboration

Education

Bachelor’s/University degree or equivalent experience

Tools

IBM Z platform

Job description

Citi’s Enterprise Command Centre in Irving, TX is seeking a Senior Infrastructure Analyst to support its large mainframe environment. You will work on advanced support, service ownership, and drive improvements across global operations.

The role emphasizes problem management, RCA, automation of repetitive tasks, and collaboration with regional and global teams. A bachelor’s degree is required and 5-8 years of infra delivery experience are expected.